CBSE Class 11 Animal Kingdom — practice questions
38 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 Animal Kingdom in the app →In SPONGES (Porifera), the level of body organisation is:Diploblastic animals have two embryonic germ layers — ectoderm and:Animals possessing a body cavity (coelom) LINED BY MESODERM are called:Identify the phylum whose members have CHOANOCYTES (collar cells) lining the spongocoel.CNIDOBLASTS (with stinging nematocysts) are found in members of phylum:In Coelenterates, animals that exist as both POLYP and MEDUSA forms show:Phylum Aschelminthes is characterised by:Identify the largest phylum of Animalia — accounting for over TWO-THIRDS of all named species on Earth.Metameric segmentation (true serial body segmentation with repetition of organs) characterises phylum:FLAME CELLS (for osmoregulation and excretion) are characteristic of:The WATER VASCULAR SYSTEM (for locomotion, food capture and transport, respiration) is the most distinctive feIdentify the chordate features that distinguish them from non-chordates.HEMICHORDATA was earlier placed under Chordata but is now classified as a separate phylum under non-chordata bIdentify the phylum where animals are MOSTLY HERMAPHRODITE (eggs and sperms in the same individual) and have aBioluminescence (light emission) is most well-marked in:In Mollusca, the file-like rasping organ used for feeding is called:All members of the kingdom Animalia are:Sponges show which level of body organisation?Coelenterates show which level of body organisation?The organ level of organisation begins with the phylum:Organs joined into functional systems make the level called:A digestive system with a single opening is called:A complete digestive system has openings numbering:In an open circulatory system the tissues are:In a closed circulatory system the blood runs through:Sponges are described as being mostly:A body halved identically by any plane through its axis shows:Which group shows radial symmetry?A body divided into identical halves in only one plane shows:Animals with only ectoderm and endoderm are called:Animals whose embryo also has mesoderm are called:The mesoderm lies in the embryo between the endoderm and the:A body cavity lined by mesoderm is called the:Animals possessing a true coelom are called:A cavity not lined by mesoderm is called a:Animals with no body cavity at all are called:A body divided into segments with repeated organs shows:The segmentation seen in the earthworm is called: